Update samples

* Skip commands for services that are not started in local.sh
* Rename localrc to local.conf

Change-Id: Ida3a8cc836d56db94da4a133fbeb81c7f5fc5f26
diff --git a/samples/local.sh b/samples/local.sh
index 970cbb9..664cb66 100755
--- a/samples/local.sh
+++ b/samples/local.sh
@@ -23,45 +23,47 @@
 # Destination path for installation ``DEST``
 DEST=${DEST:-/opt/stack}
 
+if is_service_enabled nova; then
 
-# Import ssh keys
-# ---------------
+    # Import ssh keys
+    # ---------------
 
-# Import keys from the current user into the default OpenStack user (usually
-# ``demo``)
+    # Import keys from the current user into the default OpenStack user (usually
+    # ``demo``)
 
-# Get OpenStack auth
-source $TOP_DIR/openrc
+    # Get OpenStack user auth
+    source $TOP_DIR/openrc
 
-# Add first keypair found in localhost:$HOME/.ssh
-for i in $HOME/.ssh/id_rsa.pub $HOME/.ssh/id_dsa.pub; do
-    if [[ -r $i ]]; then
-        nova keypair-add --pub_key=$i `hostname`
-        break
+    # Add first keypair found in localhost:$HOME/.ssh
+    for i in $HOME/.ssh/id_rsa.pub $HOME/.ssh/id_dsa.pub; do
+        if [[ -r $i ]]; then
+            nova keypair-add --pub_key=$i `hostname`
+            break
+        fi
+    done
+
+
+    # Create A Flavor
+    # ---------------
+
+    # Get OpenStack admin auth
+    source $TOP_DIR/openrc admin admin
+
+    # Name of new flavor
+    # set in ``localrc`` with ``DEFAULT_INSTANCE_TYPE=m1.micro``
+    MI_NAME=m1.micro
+
+    # Create micro flavor if not present
+    if [[ -z $(nova flavor-list | grep $MI_NAME) ]]; then
+        nova flavor-create $MI_NAME 6 128 0 1
     fi
-done
 
 
-# Create A Flavor
-# ---------------
+    # Other Uses
+    # ----------
 
-# Get OpenStack admin auth
-source $TOP_DIR/openrc admin admin
+    # Add tcp/22 and icmp to default security group
+    nova secgroup-add-rule default tcp 22 22 0.0.0.0/0
+    nova secgroup-add-rule default icmp -1 -1 0.0.0.0/0
 
-# Name of new flavor
-# set in ``localrc`` with ``DEFAULT_INSTANCE_TYPE=m1.micro``
-MI_NAME=m1.micro
-
-# Create micro flavor if not present
-if [[ -z $(nova flavor-list | grep $MI_NAME) ]]; then
-    nova flavor-create $MI_NAME 6 128 0 1
 fi
-
-
-# Other Uses
-# ----------
-
-# Add tcp/22 and icmp to default security group
-nova secgroup-add-rule default tcp 22 22 0.0.0.0/0
-nova secgroup-add-rule default icmp -1 -1 0.0.0.0/0
-